Ecvv Trade
Gain Express Holdings Ltd.

China Manufacturer with main products: We provide and deliver wide range of tools & devices that covers land, air and water. This includes meters, testers and controllers such as...

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Digital PH ORP Controller & Electrode - CO2, O3, 220V

Supply Ability: 5,000 Piece/Pieces per Month
Shipping: 3-25 days
Payment Terms: T/T, Western Union, Other, Paypal

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Place of Origin: Shenzhen in China
Packaging Details: Standard Factory Packaging

Quick Details

  • Measuring Range :: pH: 0.00 ~ 14.00pH
  • -: ORP : -1999 ~ 1999mV
  • Resolution:: pH : 0.01pH
  • Accuracy:: pH : +/- 0.1% + 0.02pH
  • Set Range :: pH: 3.50 ~ 10.50pH
  • Relay Contact: 5A for AC 110V or 220V
  • Power Requirement: AC110V +/-10% 60Hz / AC220V +/-10% 50Hz


This 2-in-1 pH and ORP Controller is perfect for the freshwater planted aquarium keeper as well as the serious saltwater hobbyist. It simultaneously control and measure pH value and Redox level (ORP). It clearly display the pH and ORP results on its LCD screen by switching a button.  Included are 2 BNC probes (pH and ORP) and 1 control output power socket that simultaneously control and regulate the amount of CO2 (via pH value) and ozone (via ORP level). You may also use these feature separately, individually operate the instrument with only pH value or Redox value. Just simply set the desired pH & ORP value in the controller and when it reaches the set values the unit will send signal to the attached devices to automatically dose CO2 or Ozone as requiredTruly a reliable and accurate testing instrument with accuracy of 0.02 pH and 5 mV (Redox). The included 110V or 220V relay-steered plug socket can be attached to every 110V or 220V device such Ozonizer, Oxygen pump, COregulator, air outlet stone, electromagnetic valve.


You can use this controller to a wide range of applications including aquariums, fish hatcheries, Swimming pools, pond, spa, laboratories, water conditioning, schools& colleges, florists, pisciculture and other various industrial applications.A suitable way for you to keep an eye on the different water parameters in your tank.




  • Display pH value and Redox level (ORP)with clear LCD screen
  • Equipped with 2 replaceable BNC probes (pH and ORP), 1 control output power socket
  • Regulates and monitor pH & ORP level in liquids simultaneously
  • Provided with power socket for CO2 and Ozone Solenoids or Dosing Pumps
  • Quickand easy to install and use
  • Easy calibration of pH and TDS with just a mini-screw driver (Detailed procedure of calibration is described in manual)
  • Conformity with CE and RoHS standards
  • With Protection Dead Band feature that automatically turns off or shuts down the unit to protect your unit from erroneous readings
  • Comes with mounting bracket for wall or tank mounting and 2 calibration solutions

Service Process

Service Guarantee

  • Free Service Charge

    ECVV doesn't charge any service fee to Buyers for buying this product.

  • ECVV Supply

    ECVV is responsible for supply, and provides product quality inspection, fund supervision and supply chain services.

  • Product Quality Commitment

    ECVV China Sourcing Agent will assess the reputation and supply ability of the factory and conduct field trips to select the high-quality Chinese factories for buyers.

  • Deposit Service Commitments

    In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

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